Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
England · Local authority
PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website
28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 2026. Counts reflect the last collected status; some records may be out of date.
Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.
Interactive planning map loads with JavaScript. Dataset sources are linked below.
Download Article 4 coverage for all authorities (CSV)
Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.
Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.
RPL HOUSE, SWALLOWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JG
Received 4 Jan 20064B Bracken Lane Welwyn AL6 0RB
Received 23 Jul 2013Oakdale 1B Darby Drive Welwyn AL6 9TE
Received 22 Mar 2004Hornbeams 32 Chestnut Walk Welwyn AL6 0SD
Received 10 Oct 202323 Walker Grove Hatfield AL10 9PL
Received 21 Mar 201810 Beehive Green Welwyn Garden City AL7 4BE
Received 26 Jul 2024Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 8 Feb 20238 Elmoor Close Welwyn AL6 9PF
Received 29 Apr 202052 Thistle Grove Welwyn Garden City AL7 4AN
Received 22 Mar 2018189 Boundary Lane Welwyn Garden City AL7 4EJ
Received 26 Jun 2023309 Knightsfield, Welwyn Garden City, AL8 7NJ
Received 31 Jan 201487 The Ridgeway, Cuffley, POTTERS BAR, EN6 4BG
Received 22 Nov 20123 Layton Street Welwyn Garden City AL7 4FE
Received 11 Nov 2020White Lion Square Hatfield Town Centre Hatfield AL10 0JJ
Received 18 Dec 201827 Reddings Welwyn Garden City AL8 7LA
Received 24 Apr 20231-5 Shoplands Welwyn Garden City AL8 7RH
Received 9 Apr 20245 Beehive Lane, Welwyn Garden City, AL7 4BB
Received 15 Mar 20041 Howicks Green, Welwyn Garden City, AL7 4RJ
Received 27 May 20168 The Orchard Welwyn Garden City AL8 7PL
Received 12 Jul 2019The Two Brewers, 1 Northaw Road West, Northaw, EN6 4NW
Received 16 Dec 201321 Golden Dell Welwyn Garden City AL7 4EE
Received 17 Sept 200439 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 2 May 202458 Boundary Lane Welwyn Garden City AL7 4DP
Received 21 May 20182 Lanercost Close Welwyn AL6 0RW
Received 13 Aug 2025Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsArea alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.
Set up an area alertStart with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.
How to search planning applications
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

Property research · 13 min read
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.
The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.
Check collection coverage